Roll, Arizona Cotton Heat Stress for 2021 DOY = Day of year ns = No Stress : Stress Value less than 82.4 L1 = Stress Level 1 : Stress Value from 82.4 to 86 L2 = Stress Level 2 : Stress Value greater than 86 DOY Date Stress --- ------ --------- 121 May 1 70.9 ns 122 May 2 67.8 ns 123 May 3 67.9 ns 124 May 4 68.1 ns 125 May 5 69.7 ns 126 May 6 69.9 ns 127 May 7 68.5 ns 128 May 8 68.0 ns 129 May 9 68.5 ns 130 May 10 67.9 ns 131 May 11 69.2 ns 132 May 12 70.2 ns 133 May 13 69.8 ns 134 May 14 70.1 ns 135 May 15 69.4 ns 136 May 16 65.7 ns 137 May 17 67.0 ns 138 May 18 71.3 ns 139 May 19 73.5 ns 140 May 20 70.1 ns 141 May 21 63.8 ns 142 May 22 59.3 ns 143 May 23 61.8 ns 144 May 24 66.1 ns 145 May 25 70.3 ns 146 May 26 72.5 ns 147 May 27 70.5 ns 148 May 28 70.8 ns 149 May 29 70.6 ns 150 May 30 72.2 ns 151 May 31 73.1 ns 152 Jun 1 73.8 ns 153 Jun 2 76.5 ns 154 Jun 3 77.5 ns 155 Jun 4 76.1 ns 156 Jun 5 77.2 ns 157 Jun 6 74.1 ns 158 Jun 7 73.4 ns 159 Jun 8 73.1 ns 160 Jun 9 74.9 ns 161 Jun 10 72.2 ns 162 Jun 11 70.3 ns 163 Jun 12 74.7 ns 164 Jun 13 77.5 ns 165 Jun 14 79.6 ns 166 Jun 15 82.9 L1 167 Jun 16 82.7 L1 168 Jun 17 84.0 L1 169 Jun 18 84.6 L1 170 Jun 19 84.5 L1 171 Jun 20 83.5 L1 172 Jun 21 82.2 ns 173 Jun 22 83.2 L1 174 Jun 23 81.7 ns 175 Jun 24 82.5 L1 176 Jun 25 81.2 ns 177 Jun 26 80.3 ns 178 Jun 27 81.8 ns 179 Jun 28 83.6 L1 180 Jun 29 84.9 L1 181 Jun 30 84.5 L1 182 Jul 1 85.5 L1 183 Jul 2 84.8 L1 184 Jul 3 87.5 L2 185 Jul 4 86.4 L2 186 Jul 5 85.6 L1 187 Jul 6 83.9 L1 188 Jul 7 86.3 L2 189 Jul 8 88.8 L2 190 Jul 9 89.8 L2 191 Jul 10 89.9 L2 192 Jul 11 87.6 L2 193 Jul 12 87.4 L2 194 Jul 13 87.4 L2 195 Jul 14 87.1 L2 196 Jul 15 87.5 L2 197 Jul 16 86.8 L2 198 Jul 17 86.0 L2 199 Jul 18 86.6 L2 200 Jul 19 88.6 L2 201 Jul 20 88.4 L2 202 Jul 21 87.0 L2 203 Jul 22 88.1 L2 204 Jul 23 86.3 L2 205 Jul 24 80.7 ns 206 Jul 25 80.5 ns 207 Jul 26 83.5 L1 208 Jul 27 85.8 L1 209 Jul 28 87.7 L2 210 Jul 29 86.7 L2 211 Jul 30 83.9 L1 212 Jul 31 84.6 L1 213 Aug 1 87.5 L2 214 Aug 2 87.3 L2 215 Aug 3 87.5 L2 216 Aug 4 89.1 L2 217 Aug 5 88.1 L2 218 Aug 6 88.0 L2 219 Aug 7 86.7 L2 220 Aug 8 87.1 L2 221 Aug 9 86.3 L2 222 Aug 10 85.6 L1 223 Aug 11 80.2 ns 224 Aug 12 82.8 L1 225 Aug 13 85.0 L1 226 Aug 14 81.0 ns 227 Aug 15 84.5 L1 228 Aug 16 87.1 L2 229 Aug 17 85.6 L1 230 Aug 18 82.6 L1 231 Aug 19 79.6 ns 232 Aug 20 79.8 ns 233 Aug 21 79.1 ns 234 Aug 22 75.4 ns 235 Aug 23 76.6 ns 236 Aug 24 81.8 ns 237 Aug 25 86.0 L2 238 Aug 26 85.8 L1 239 Aug 27 86.5 L2 240 Aug 28 87.3 L2 241 Aug 29 87.1 L2 242 Aug 30 87.9 L2 243 Aug 31 81.2 ns 244 Sep 1 81.8 ns 245 Sep 2 81.6 ns 246 Sep 3 83.2 L1 247 Sep 4 82.0 ns 248 Sep 5 84.5 L1 249 Sep 6 86.9 L2 250 Sep 7 85.5 L1 251 Sep 8 86.8 L2 252 Sep 9 86.4 L2 253 Sep 10 86.2 L2 254 Sep 11 84.9 L1 255 Sep 12 85.5 L1 256 Sep 13 85.1 L1 257 Sep 14 83.0 L1 258 Sep 15 81.5 ns 259 Sep 16 81.0 ns 260 Sep 17 82.5 L1 261 Sep 18 81.9 ns 262 Sep 19 76.6 ns 263 Sep 20 76.5 ns 264 Sep 21 76.6 ns 265 Sep 22 75.9 ns 266 Sep 23 79.5 ns 267 Sep 24 74.6 ns 268 Sep 25 74.8 ns 269 Sep 26 75.5 ns 270 Sep 27 76.3 ns 271 Sep 28 75.6 ns 272 Sep 29 73.4 ns 273 Sep 30 73.2 ns 274 Oct 1 71.3 ns 275 Oct 2 70.8 ns 276 Oct 3 71.7 ns 277 Oct 4 73.0 ns 278 Oct 5 75.3 ns 279 Oct 6 73.6 ns 280 Oct 7 75.9 ns 281 Oct 8 73.7 ns 282 Oct 9 67.3 ns 283 Oct 10 67.8 ns 284 Oct 11 63.5 ns 285 Oct 12 57.7 ns 286 Oct 13 56.0 ns 287 Oct 14 58.1 ns 288 Oct 15 59.4 ns 289 Oct 16 61.5 ns 290 Oct 17 62.8 ns 291 Oct 18 62.1 ns 292 Oct 19 59.5 ns 293 Oct 20 62.0 ns 294 Oct 21 63.2 ns 295 Oct 22 62.7 ns 296 Oct 23 62.4 ns 297 Oct 24 65.7 ns 298 Oct 25 65.9 ns 299 Oct 26 61.3 ns 300 Oct 27 59.8 ns 301 Oct 28 61.1 ns 302 Oct 29 62.5 ns 303 Oct 30 63.1 ns 304 Oct 31 63.7 ns 305 Nov 1 65.0 ns